Home / 38,424-53,068.86-25,826.88

Finding the Fourth Proportional to 38,424, 53,068.86 and 25,826.88

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Solution

The fourth proportional to 38,424, 53,068.86 and 25,826.88 is: 35,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,424 : 53,068.86 = 25,826.88 : x
  2. Step 2: Convert to fraction form
    38,424/53,068.86 = 25,826.88/x
  3. Step 3: Cross multiply
    38,424x = 53,068.86 × 25,826.88
  4. Step 4: Simplify right side
    38,424x = 1,370,603,078.96
  5. Step 5: Solve for x
    x = 1,370,603,078.96/38,424
  6. Step 6: Final answer
    x = 35,670.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.